I put a z6 from a 95 ex in my 93 DX coupe. Its running very rich and im not real sure where else to go. p28 ecu,dc header, and ebay intake, are all the car has for "mods". When I put the motor in the car I did all basic tune up stuff, (new plugs, wires, fuel filter, o2 sensor...exc exc... Its been getting 18mpg...which is awful for a fairly stock civic. compression is about 160 all the way across. The one thing I did was change the throttle body from the d16 with map on tb, to the d15 one with external map because I broke the TPS when I was putting the motor in...could that be my trouble?

 

how do you have that map set-up.... plugged in and with a vac ?could have a bad fuel pressure reg....could be a few things ....no CELs?

 

No cels...and I'll check my map routing real quick and post what I have...I think I have it right off the tb though...

 

yep...map is connected to the tb with a new hose...

 

Did you set your tps when you put it on?